XIV. ECHINODERMA. 
74 Ech. 
Progonolampas, n. g., with type P.novce-hollandice, n. sp., Tertiary, Aus- 
tralia ; Bittner, SB. Ak. Wien, ci, Abth. 1, p. 359 : syn. of Echitto- 
lampas posterocrassus, Greg ; Tate (257) p. 193. 
f Psammechinus, Agass., defined ; Cotteau (44) p. G24. P. biarritz - 
ensis, Cott., redescribed ; op. cit. p. G25. P. cingulatus , Clark, 
redescribed and now first figured ; Clark (36) p. 55. P. clubius , 
Agass. ; Rothpletz (224) p. 103. P. gravest , Desor ; Cotteau (44) 
p. 628. P. homocyphus , Des. ; Simon elli (245) p. 228. P. monilis , 
Desm. ; Simonelli (245) p. 232, Toula (265) p. 291. P. orbignyi , 
Cott., see Gagaria. P. spadce, Des. ; Simonelli (245) p. 228. P. 
ivoodsi , Laube, redescribed and figured, with n. var. fasciger, Tertiary, 
Australia ; Bittner (21) p. 335 : very variable, and includes var. 
fasciger and P. humilior of Bittner ; Tate (257) p. 191. 
P. (?) humilior , Tertiary of Australia, Bittner, SB. Ak. Wien, ci, 
Abth. 1, p. 337 ; synonym of P. ivoodsi, Tate (257) p. 191 : n. sp. 
f Pseudananchis, Pomel, maintained ; Lambert (146) p. 97. 
f Pseudocidaris saussurei , de Lor. ; Aguilera (4) p. 26. f P. thurmanni f 
Et. ; Smith (250) p. 346. 
fP. unigrauulatas , Jurassic, Cutch, Gregory, Pal. Ind., ser. ix, vol. ii, 
Pt. 1, p. 3, n. sp. 
f Pseudodiadema : — P. dep)rc8sum ) Agass. sp. ; Fox -S trang ways (87) it, 
p. 145. P. diatretum , Morton sp., redescribed ; Clark, Bull. U. S. Geol. 
Surv. No. 97, p. 46. P. hemisphericum, Agass.; Fox-Strangways (87) 
ii, p. 197. P. lobatum , Wright ; Woodward (276) p. 370. P. malbosi 
? Desor ; Aguilera (4) p. 26. P. mammillatum , F. A. Roem. ; Smith 
( 250) p. 346. P. minutum, Buckm. sp. ; Stuber (255) p. 105. P. 
■ moorei, Wright ; Woodward (276) p. 370. P. pentagonum, M’Coy sp. ; 
Fox-Strangways (87) ii, p. 145. P. renevieri , Cott., see Diplopodia 
renevieri. P. roemeri , Clark, a synonym of P. texanum ; Clark (36) 
p. 47. P. sp. ; Gregory (102) p. 7. P. slater i , Blake ; Fox- 
Strangway t s (87) ii, p. 32. P. tenue, Desli. ; Rothpletz (224) 
p. 103. P. texanum , Roem. sp., redescribed ; Clark (36) p. 47. 
P. vagans , Phill. sp. ; Fox-Strangways (87) n, p. 145. P. versi- 
pora , Wright ; Fox-Strangways (87) n, p. 197. 
P. cutchensis , Jurassic, Cutch, Gregory, Pal. Ind., ser. ix, vol. ii, Pt. 1, 
p. 5 ; P. emersoni , Jurassic, Taylorsville, California, Clark, Bull. 
U. S. Geol. Surv. No. 97, p. 45 : n. spp. 
j \ Pseudoholaster , Pomel, discussed and emended ; Lambert (146) p. 94. 
f Psilosoma, Pomel, validity discussed ; Cotteau (46) p. 351. 
t Pygaster semisulcatus , Phill. sp., p. 146 ; fP. umbrella , Agass., p. 197 ; 
Fox-Strangways (87) n. 
fP. ivelschi , Corallian, Tiaret, Algeria, Gauthier, C.R. Ass. Franc. 1889 
(2) p. 433, n. sp. 
t Pygaulus barthi , p.262, and fP. kelleri, p. 261, Neocomiau, Somaliland, 
Mayer-Eymar, Yierteljahrschr. Ges. Zurich, xxxviii ; u. spp. 
f Pygorhytis, Pomel, emended and restricted to species with a floscelle ; 
Gregory, Pal. Ind., ser. ix, vol. ii, Pt. 1, p. 10, 
